Stella S. Thalhamer, MD

Medicare activity in 2024

Official CMS public-use data for Stella S. Thalhamer, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)625 services
2. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)200 services
3. Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days (99454)142 services
4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)87 services
5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)83 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High cholesterol75%
• High blood pressure67%
• Arthritis39%
• Diabetes27%
• Chronic kidney disease25%
• Osteoporosis23%

Hospitals where Stella S. Thalhamer works

Medicare's Facility Affiliation Data lists Stella S. Thalhamer at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Capital Medical CenterOlympia, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500139
• Mason General Hospital & Family of ClinicsShelton, WA · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 501336
• Providence Centralia HospitalCentralia, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500019
• Providence St Peter HospitalOlympia, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500024

Practice locations

Addresses where Stella S. Thalhamer is enrolled with Medicare (CMS data updated October 2, 2026).

• 1620 Cooper Point Rd SWOlympia, WA 98502 (306) 486‑6710
• 525 Lilly Rd NEOlympia, WA 98506

Group practices

Medicare enrollment lists Stella S. Thalhamer as a member of this group (CMS data updated October 2, 2026).

• Providence Health and Services Washington475 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Washington →

Other internal medicine doctors in Olympia

Clinicians with the same Medicare primary specialty in Olympia, WA — not a recommendation.

• Jatinder Banipal, MD
• Muhammad B. Khan, MD
• Ruby Jean L. Toe Hio, MD
• Judith O. Son, MD
• Blair O. Valentine, MD
• Wyatt Ehrlander, MD
• Sundar Cherukuri, DO
• Haneen Aibak, MD

All internal medicine doctors in Olympia →

Other clinicians in Providence Health and Services Washington

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Anand Pullapilly, MD
• Jatinder Banipal, MD
• Jordan M. Abel, MD
• Taylor Muenchow, PA
• Christi Dahlgren, PA
• Chuong H. Nguyen, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians